1011144004 has 24 divisors (see below), whose sum is σ = 1913961560. Its totient is φ = 464638464.

The previous prime is 1011143983. The next prime is 1011144023. The reversal of 1011144004 is 4004411101.

It can be written as a sum of positive squares in 4 ways, for example, as 86862400 + 924281604 = 9320^2 + 30402^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30549 + ... + 54364.

Almost surely, 2^1011144004 is an apocalyptic number.

It is an amenable number.

1011144004 is a deficient number, since it is larger than the sum of its proper divisors (902817556).

1011144004 is a wasteful number, since it uses less digits than its factorization.

1011144004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85159 (or 85157 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1011144004 is about 31798.4905931083. The cubic root of 1011144004 is about 1003.7009540418.

Adding to 1011144004 its reverse (4004411101), we get a palindrome (5015555105).

The spelling of 1011144004 in words is "one billion, eleven million, one hundred forty-four thousand, four".